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Subject: Chemistry, asked on 20/5/18

If in a redox reaction more than one substance is undergoing reduction then which substance do we consider?

Subject: Chemistry, asked on 20/5/18

As2S3 +NO3- =AsO4- + S + NO2 ...Oxidation number method only pls

Subject: Chemistry, asked on 20/5/18

Al + NO3- =Al(OH)4-{only - is the charge} + NH3....Pls help I am not able to solve this...Use oxidation no method only

Subject: Chemistry, asked on 20/5/18

Have i solved ans 7 correctly?

Subject: Chemistry, asked on 19/5/18

Balance this equation pls

Subject: Chemistry, asked on 16/5/18

How is charge of Pb +2 in PbOH3...???

Subject: Chemistry, asked on 16/5/18

I am unable to understand half reaction method...Is it ok if I only know oxidation no method?

Subject: Chemistry, asked on 16/5/18

Q. What is the charge in Pb02 and Pb(OH)3-
PbO2 → PbOH3-

Subject: Chemistry, asked on 16/5/18

How to calculate charge in a molecule?

Subject: Chemistry, asked on 26/4/18

Write the balanced disproportionation reaction of clo- to Cl- and clo3- . Show the steps involved in detail.

Subject: Chemistry, asked on 14/4/18

Example 20. Calculate equivalent weight of NaOH in following
3Br2+6NaOH → 5NaBr+NaBrO3

Subject: Chemistry, asked on 10/4/18

Ques 1. Which of the following is not an oxidizing agent?
(A) Oxygen
(B) Conc. Suplhuric acid
(C) Hydrogen
(D) Chlorine

Subject: Chemistry, asked on 10/4/18

Pls solve 5 que...it is a multi correct question

Subject: Chemistry, asked on 28/3/18

How do we determine whether it acts as a base or an acid..??!
In the following reactions, ZnO is 
respectively acting as a/an : 
(a) ZnO+ Na2O → Na2ZnO2 
(b) ZnO +CO2 →ZnCO3​
A) base and base​
B) acid and acid ​
C) acid and base​
D) ​base and acid

Solution 
(a) ZnO + Na2O → Na2ZnO2 
(b) ZnO + CO2  → ZnCO 3

 

 


 

Subject: Chemistry, asked on 26/3/18

Solution please the answer to this quest is given(-0.036V)

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